The Winter 2018 playoff for the Call of Duty: Modern Warfare Singles (Global) Ladder has not started yet.

Top ranking teams will compete in a single-elimination playoff tournament at the end of the season for a chance to win the title of Champions!
The Winter 2018 season is currently scheduled to end regular season play on Saturday March 31, 2018.

If you haven't already, you can start playing in the Winter 2018 season on the Call of Duty: Modern Warfare Singles (Global) Ladder now
by either creating your own team or joining an existing team.